- Ultrafast spin-induced polarization oscillations with tunable lifetime in vertical-cavity surface-emitting lasers - art. no. 151107
[作者:Gerhardt, NC; Li, MY; Jahme, H; Hopfner, H; Ackemann, T; Hofmann, MR,期刊:Applied Physics Letters, 页码:51107-51107 , 文章类型: Article,,卷期:2011年99-15]
- We report spin-induced polarization oscillations in vertical-cavity surface-emitting lasers above threshold and at room temperature. The oscillation frequency is 11.6 GHz, which is significantly higher than the modulatio...
- Wide depletion width of 1 eV GaInNAs solar cells by thermal annealing - art. no. 151111
[作者:Sellers, IR; Tan, WS; Smith, K; Hooper, S; Day, S; Kauer, M,期刊:Applied Physics Letters, 页码:51111-51111 , 文章类型: Article,,卷期:2011年99-15]
- We present high quality GaInNAs p-i-n solar cells with depletion widths in excess of 1 mu m for material absorbing in the practically important 1 eV band gap regime. This is achieved through optimization of post-growth r...
- One-way cloak based on nonreciprocal photonic crystal - art. no. 151112
[作者:He, C; Zhang, XL; Feng, L; Lu, MH; Chen, YF,期刊:Applied Physics Letters, 页码:51112-51112 , 文章类型: Article,,卷期:2011年99-15]
- We propose a physical concept of non-reciprocal transformation optics, by which a one-way invisible cloak is designed. The one-way invisible cloak is made of a coordinate-transformed nonreciprocal photonic crystal, showi...
- Microphotonic parabolic light directors fabricated by two-photon lithography - art. no. 151113
[作者:Atwater, JH; Spinelli, P; Kosten, E; Parsons, J; Van Lare, C; Van de Groep, J; de Abajo, JG; Polman, A; Atwater, HA,期刊:Applied Physics Letters, 页码:51113-51113 , 文章类型: Article,,卷期:2011年99-15]
- We have fabricated microphotonic parabolic light directors using two-photon lithography, thin-film processing, and aperture formation by focused ion beam lithography. Optical transmission measurements through upright par...
- Control of spontaneous emission in a volume of functionalized hyperbolic metamaterial - art. no. 151115
[作者:Tumkur, T; Zhu, G; Black, P; Barnakov, YA; Bonner, CE; Noginov, MA,期刊:Applied Physics Letters, 页码:51115-51115 , 文章类型: Article,,卷期:2011年99-15]
- We have developed a simple method to fabricate lamellar metal-dielectric hyperbolic metamaterials on flat, flexible, and curvilinear substrates, which allows for functionalization of dielectric layers by dye molecules. T...
- Effect of stimulated emission on the transport characteristics of terahertz quantum-cascade lasers - art. no. 151116
[作者:Sharma, R; Schrottke, L; Wienold, M; Biermann, K; Hey, R; Grahn, HT,期刊:Applied Physics Letters, 页码:51116-51116 , 文章类型: Article,,卷期:2011年99-15]
- We investigate the effect of stimulated emission on the transport characteristics of terahertz quantum-cascade lasers operating in a frequency range between 4.3 and 4.6 THz. The impact of stimulated emission is varied by...
- Critical optical coupling between a GaAs disk and a nanowaveguide suspended on the chip - art. no. 151117
[作者:Baker, C; Belacel, C; Andronico, A; Senellart, P; Lemaitre, A; Galopin, E; Ducci, S; Leo, G; Favero, I,期刊:Applied Physics Letters, 页码:51117-51117 , 文章类型: Article,,卷期:2011年99-15]
- We report on an integrated GaAs disk/waveguide system. A millimeter-long waveguide is suspended and tapered on the chip over a length of 25 mu m to evanescently couple to high Q optical whispering gallery modes of a GaAs...
- Enhanced transmission of THz radiation through sub-wavelength, asymmetry metallic hole arrays - art. no. 151501
[作者:Qiu, MX; Ruan, SC; Su, H; Wang, CD; Zhang, M; Wang, RL; Liang, HW,期刊:Applied Physics Letters, 页码:51501-51501 , 文章类型: Article,,卷期:2011年99-15]
- Strongly enhanced transmission of terahertz radiation pulses through asymmetry rectangular hole arrays with various hole lengths are obtained experimentally. The transmission magnitudes increase and their positions shift...
|